package cn.com.gzheroli.bfw.service;

import java.io.IOException;

public interface RandCodeService {
	public String genRandCodePicBase64(String tokenId) throws IOException;
	/** 
     * 将二进制转换为图片 
     * @param base64String 
     */  
    public  void base64StringToImage(String base64String);
}
